This is our new low cost, but extremely DC Gear Motor. Specification:No-load Speed: 30RPM at 12 Volts;Torque: 0.155kg.cmPower: 1.2W;No-load Current: 0.036A;Load Current: 0.09A;Reduction rate: 1: 184D Shaft Size: 12mm x 4mm/0.47 x 0.16 inches (L*D);Gearbox Size: 24mm x 25mm/ 0.94 x 0.98 inches (L*D);Motor Size: 30mm x 24mm/1.18 x 0.94 inches (L*D);